The second number in the given number pair is obtained by performing certain mathematical operations on the first number. The same operations is/are followed in all the number pairs except one. Find that odd number pair.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 25 : 86.
14 : 77 → 14 + 63 = 77
25 : 86 → 25 + 63 = 88 ≠ 86
31 : 94 → 31 + 63 = 94
22 : 85 → 22 + 63 = 85